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Senior Unsecured Notes (Details) - USD ($) $ in Thousands	Feb. 14, 2022	Jun. 23, 2021	Aug. 20, 2018	Sep. 12, 2016	May 21, 2015	Nov. 17, 2014	May 20, 2013	Dec. 31, 2022	Dec. 31, 2021
Senior Notes [Line Items]
Unsecured Long-term Debt, Noncurrent								$ 1,572,210	$ 1,673,452
6.125% Senior Unsecured Notes Due 2022
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage						6.125%		6.125%	6.125%
Senior Notes, Principal amount						$ 600,000
Proceeds from Senior Unsecured Notes, Net of debt issuance costs						590,000
Senior Notes Debt Issuance Costs						$ 10,000
5.0% Senior Unsecured Notes Due 2024
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage							5.00%	5.00%	5.00%
Senior Notes, Principal amount							$ 500,000	$ 0	$ 104,769
Senior Notes, unamortized deferred financing costs								0	403
Unsecured Long-term Debt, Noncurrent								$ 0	$ 104,366
Proceeds from Senior Unsecured Notes, Net of debt issuance costs							490,200
Senior Notes Debt Issuance Costs							$ 9,800
Senior Unsecured Notes, Redemption Price, Percentage	100.00%
5.625% Senior Unsecured Notes Due 2025
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage					5.625%			5.625%	5.625%
Senior Notes, Principal amount					$ 500,000			$ 349,118	$ 349,118
Senior Notes, unamortized deferred financing costs								1,528	2,160
Unsecured Long-term Debt, Noncurrent								$ 347,590	$ 346,958
Proceeds from Senior Unsecured Notes, Net of debt issuance costs					491,000
Senior Notes Debt Issuance Costs					$ 9,000
6.75% Senior Unsecured Notes Due 2026
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage				6.75%				6.75%	6.75%
Senior Notes, Principal amount				$ 500,000				$ 419,235	$ 419,235
Senior Notes, unamortized deferred financing costs								2,569	3,270
Unsecured Long-term Debt, Noncurrent								$ 416,666	$ 415,965
Proceeds from Senior Unsecured Notes, Net of debt issuance costs				491,600
Senior Notes Debt Issuance Costs				$ 8,400
6.625% Senior Unsecured Notes Due 2027
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage			6.625%					6.625%	6.625%
Senior Notes, Principal amount			$ 500,000					$ 416,791	$ 416,791
Senior Notes, unamortized deferred financing costs								3,172	3,949
Unsecured Long-term Debt, Noncurrent								$ 413,619	$ 412,842
Proceeds from Senior Unsecured Notes, Net of debt issuance costs			492,100
Senior Notes Debt Issuance Costs			$ 7,900
6.5% Senior Unsecured Notes Due 2028
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage		6.50%						6.50%	6.50%
Senior Notes, Principal amount		$ 400,000						$ 400,000	$ 400,000
Senior Notes, unamortized deferred financing costs								5,665	6,679
Unsecured Long-term Debt, Noncurrent								394,335	393,321
Proceeds from Senior Unsecured Notes, Net of debt issuance costs		392,800
Senior Notes Debt Issuance Costs		$ 7,200
Senior Unsecured Notes
Senior Notes [Line Items]
Senior Notes, Principal amount								1,585,144	1,689,913
Senior Notes, unamortized deferred financing costs								$ 12,934	$ 16,461

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Face (par) amount of debt instrument at time of issuance.

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